Giuseppe Donatiello, an Italian amateur astronomer, detected a faint galaxy, which a computer algorithm could not distinguish. This discovery was later confirmed using the Hubble Space Telescope. Donatiello took data collected by the Dark Energy Survey (DES) and did intensive observation work over the course of 6 years. In honor of his work, these are named after Donatiello II, III and IV. It is one of three galaxies that escaped the attention of the algorithm designed to search astronomical data for galaxy candidates. As a dwarf galaxy, which is normally dimly luminous, Donatiello II is so faint that human intervention was required to discover its existence.
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